19896474 has 16 divisors (see below), whose sum is σ = 42854112. Its totient is φ = 6121968.

The previous prime is 19896433. The next prime is 19896479. The reversal of 19896474 is 47469891.

It is not an unprimeable number, because it can be changed into a prime (19896479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127464 + ... + 127619.

It is an arithmetic number, because the mean of its divisors is an integer number (2678382).

Almost surely, 2^19896474 is an apocalyptic number.

19896474 is an abundant number, since it is smaller than the sum of its proper divisors (22957638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19896474 is a wasteful number, since it uses less digits than its factorization.

19896474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255101.

The product of its digits is 435456, while the sum is 48.

The square root of 19896474 is about 4460.5463790886. The cubic root of 19896474 is about 270.9725965492.

The spelling of 19896474 in words is "nineteen million, eight hundred ninety-six thousand, four hundred seventy-four".